Lamp



FIG. 1 is a front elevation view of a lamp showing our new design;

FIG. 2 is a left elevation view of the design illustrated in FIG. 1;

FIG. 3 is a right elevation view of the design illustrated in FIG. 1;

FIG. 4 is a bottom plan view of the design illustrated in FIG. 1;

FIG. 5 is a top plan view of the design illustrated in FIG. 1; and,

FIG. 6 is a perspective view of the design illustrated in FIG. 1. 

The ornamental design for a lamp, as shown and described. 